Reciprocating piston pump
[化] 往复式活塞泵
🧩 词语组成解析
[医] 交互的, 往复的
piston
['pɪstən]
n. <机>活塞;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Don't be too sure.
别那么肯定。
I couldn't agree more.
我完全同意。
but they did not go out of their way to court such excitement.
但是，他们并非故意寻求这种刺激，